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Finding the Fourth Proportional to 17,669.15, 26,503.74 and 8,302.30

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Solution

The fourth proportional to 17,669.15, 26,503.74 and 8,302.30 is: 12,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,669.15 : 26,503.74 = 8,302.30 : x
  2. Step 2: Convert to fraction form
    17,669.15/26,503.74 = 8,302.30/x
  3. Step 3: Cross multiply
    17,669.15x = 26,503.74 × 8,302.30
  4. Step 4: Simplify right side
    17,669.15x = 220,041,934.34
  5. Step 5: Solve for x
    x = 220,041,934.34/17,669.15
  6. Step 6: Final answer
    x = 12,453.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.